31163960

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2753}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 70392240

約数和(自身を除く): 39228280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2753, 2830, 5506, 5660, 11012, 11320, 13765, 22024, 27530, 55060, 110120, 779099, 1558198, 3116396, 3895495, 6232792, 7790990, 15581980, 31163960]

約数ペア:

[(1, 31163960), (2, 15581980), (4, 7790990), (5, 6232792), (8, 3895495), (10, 3116396), (20, 1558198), (40, 779099), (283, 110120), (566, 55060), (1132, 27530), (1415, 22024), (2264, 13765), (2753, 11320), (2830, 11012), (5506, 5660)]